FR2623861A1 - PROTECTION BELLOW, IN PARTICULAR FOR TRANSMISSION BEFORE MOTOR VEHICLE - Google Patents
PROTECTION BELLOW, IN PARTICULAR FOR TRANSMISSION BEFORE MOTOR VEHICLE Download PDFInfo
- Publication number
- FR2623861A1 FR2623861A1 FR8716631A FR8716631A FR2623861A1 FR 2623861 A1 FR2623861 A1 FR 2623861A1 FR 8716631 A FR8716631 A FR 8716631A FR 8716631 A FR8716631 A FR 8716631A FR 2623861 A1 FR2623861 A1 FR 2623861A1
- Authority
- FR
- France
- Prior art keywords
- protection
- bellows according
- bellows
- motor vehicle
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 239000002861 polymer material Substances 0.000 claims abstract description 3
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims abstract description 3
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 3
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 241000722921 Tulipa gesneriana Species 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J3/00—Diaphragms; Bellows; Bellows pistons
- F16J3/04—Bellows
- F16J3/041—Non-metallic bellows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
- F16D3/845—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers allowing relative movement of joint parts due to the flexing of the cover
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
Abstract
Soufflet de protection en matériau polymère du type thermoplastique, silicones, etc., notamment pour transmission avant de véhicule automobile. Il est constitué par un profil comportant une partie conique 5 fixée au bol 3 de la boîte de vitesses, prolongé du côté opposé par une partie cylindrique 7 dont l'extrémité libre est solidarisée au côté roue de l'arbre de transmission 4. Application aux transmissions.Protective bellows made of polymer material of the thermoplastic, silicone, etc. type, in particular for the front transmission of a motor vehicle. It consists of a profile comprising a conical part 5 fixed to the bowl 3 of the gearbox, extended on the opposite side by a cylindrical part 7 whose free end is secured to the wheel side of the transmission shaft 4. Application to transmissions.
Description
SOUFFLET DE PROTECTION NOTAMMENT POUR TRANSMISSION AVANT DEPROTECTION BELLOW, IN PARTICULAR FOR TRANSMISSION BEFORE
VEHICULE AUTOMOBILEMOTOR VEHICLE
La présente invention concerne un nouveau soufflet de protec- The present invention relates to a new bellows for protecting
tion pour joints articulés, notamment pour transmissions de articulated joints, in particular for transmissions of
roues avant de véhicules automobiles. front wheels of motor vehicles.
Elle concerne plus particulièrement un élément protecteur en ma- It relates more particularly to a protective element in
tériau polymère pour joints de cardans, côté boÂte de vitesses, tel que thermoplastique, silicones, etc. L'utilisation de plus en plus fréquente des pots catalytiques sur les véhicules automobiles soulève un nouveau problème concernant la tenue à haute température des soufflets situés à polymer material for universal joints, gearbox side, such as thermoplastic, silicones, etc. The increasingly frequent use of catalytic converters on motor vehicles raises a new problem concerning the high temperature behavior of bellows located at
proximité.proximity.
L'emploi de matériaux du type silicone par exemple permet, aux soufflets, de mieux résister à l'élévation de température due au rayonnement thermique. Néanmoins, ces matériaux à bas module d'élasticité-restent instables en centrifugation. Ceci implique une géométrie nouvelle susceptible de résister aux conditions conjuguées des hautes températures et des grandes vitesses de rotation. Contrairement au soufflet côté roue, il ne subit pas d'angle de braquage, mais seulement des battements éventuels de l'ordre de The use of silicone-type materials, for example, makes the bellows more resistant to the rise in temperature due to thermal radiation. Nevertheless, these low modulus of elasticity materials remain unstable in centrifugation. This implies a new geometry capable of withstanding the combined conditions of high temperatures and high speeds of rotation. Unlike the bellows wheel side, it does not undergo a steering angle, but only possible beats of the order of
+ ou - 20 .+ or - 20.
De surcroît, l'absence de "tulipe" permet une conception très compacte, lui assurant une économie non négligeable du poids de graisse et une excellente stabilité dynamique, quelle que soit In addition, the absence of "tulip" allows a very compact design, ensuring a significant saving of the weight of grease and excellent dynamic stability, whatever
la souplesse du matériau.the flexibility of the material.
La présente invention a pour but de résoudre les problèmes ex- The present invention aims to solve the problems
posés ci-dessus, relatifs aux hautes températures et aux con- above, relating to high temperatures and
-2- traintes résultant de la force centrifuge, tout en respectant -2- stresses resulting from the centrifugal force, while respecting
les impératifs fonctionnels de la transmission. the functional imperatives of the transmission.
L'invention sera décrite au regard des figures 1 et 2 ci- The invention will be described with reference to FIGS. 1 and 2 below.
jointes, données à titre d'exemples non limitatifs, et qui se rapportent respectivement: - la figure 1 a une vue en coupe longitudinale du soufflet de l'invention en position sur l'arbre de transmission, attached, given by way of non-limiting examples, and which relate respectively: FIG. 1 is a view in longitudinal section of the bellows of the invention in position on the transmission shaft;
- la figure 2 a une vue extérieure du soufflet de l'invention. - Figure 2 has an external view of the bellows of the invention.
En référence à la figure 1, on voit que la géométrie du soufflet est définie de manière à assurer les points suivants: - Chacune de ses extrémités 1-2 comporte des profils adaptés respectivement aux surfaces du bol 3 et de l'arbre 4 de la Referring to Figure 1, we see that the geometry of the bellows is defined to ensure the following points: - Each of its ends 1-2 has profiles respectively adapted to the surfaces of the bowl 3 and the shaft 4 of the
transmission sur lequel il est monté sans précontrainte. transmission on which it is mounted without prestressing.
- Entre ces deux extrémités, le profil du soufflet se subdivise en deux parties distinctes: l'une conique 5, Between these two ends, the profile of the bellows is subdivided into two distinct parts: the one conical 5,
25. l'autre cylindrique 7.25. the other cylindrical 7.
La partie conique 5, dont la paroi peut en variante être ver- The conical part 5, whose wall can alternatively be green
ticale, assure la jonction de la zone d'accrochage côté bol 3 avec la partie cylindrique 7 du soufflet. A proximité du bol 3, elle assure un volume minimal de graisse. Le fait que cette paroi conique 5 forme un angle compris entre 0 et 25 détermine un comportement optimal en centrifugation. Au droit du bol 3, elle comporte une nervure 6 dont le but est de protéger la zone ticale, ensures the junction of the hooking zone on the bowl side 3 with the cylindrical portion 7 of the bellows. Near the bowl 3, it ensures a minimum volume of grease. The fact that this conical wall 5 forms an angle between 0 and 25 determines optimal behavior in centrifugation. At the right of the bowl 3, it comprises a rib 6 whose purpose is to protect the area
conique 5 face aux agressivités internes du capot en tôle 3. conical 5 against the internal aggressivities of the sheet hood 3.
Elle permet aussi de mieux positionner le soufflet sur le bol 3 - 3 - en jouant le rôle de butée et contribue à augmenter la rigidité It also makes it possible to better position the bellows on the bowl 3 - 3 - by acting as a stop and contributes to increasing the rigidity
dans cette partie.in this part.
L'élément conique 5 peut éventuellement être renforcé par un bossage circulaire 10 de façon qu'il soit protégé des bords extérieurs de la "tulipe trilobée" 11. A la base du cône 5, une The conical element 5 may optionally be reinforced by a circular boss 10 so that it is protected from the outer edges of the "trilobed tulip" 11. At the base of the cone 5, a
zone charnière 8 assure la jonction cône-cylindre. Le débat- hinge zone 8 provides the cone-cylinder connection. Debate-
tement de la transmission articule le soufflet dans cette partie 8. Cette dernière prend elle-même appui sur l'arbre 4 the transmission transmits the bellows in this part 8. The latter itself bears on the shaft 4
lisse et lubrifié de la transmission. Smooth and lubricated transmission.
La section cylindrique 7 du soufflet a un diamètre intérieur de The cylindrical section 7 of the bellows has an inner diameter of
l'ordre de 4 mm de plus que le diamètre extérieur de l'arbre 4. the order of 4 mm more than the outside diameter of the shaft 4.
Cette conception place le soufflet dans l'impossibilité de se déstabiliser à haute vitesse puisqu'il est soutenu par This design places the bellows in the impossibility of destabilizing at high speed since it is supported by
l'arbre 4 situé à l'intérieur.the tree 4 located inside.
De surcroît, il est possible d'ajouter des talons 9 de guidage prenant appui sur l'arbre 4 lubrifié qui ne créent aucun dommage au soufflet. Le volume de graisse dans cette partie In addition, it is possible to add guide lugs 9 bearing on the lubricated shaft 4 which do not create any damage to the bellows. The volume of fat in this part
cylindrique reste très faible.cylindrical remains very weak.
Afin de permettre au soufflet le déplacement axial nécessaire du côté de la boite, on adjoint des petits plis 12 dont le diamètre extérieur n'excède pas le double de celui de l'arbre 4. Outre cette fonction, la disposition précédente assure une rigidification accrue sur toute la longueur de la partie cylindrique 7 du soufflet. Cette conception permet de In order to allow the bellows the necessary axial displacement on the side of the box, small folds 12 are added whose external diameter does not exceed twice that of the shaft 4. In addition to this function, the previous arrangement provides for increased stiffening. over the entire length of the cylindrical portion 7 of the bellows. This design allows
stabiliser ce dernier quelle que soit sa longueur. stabilize the latter regardless of its length.
-4--4-
Claims (7)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8716631A FR2623861B1 (en) | 1987-12-01 | 1987-12-01 | PROTECTIVE BELLOWS, PARTICULARLY FOR FRONT TRANSMISSION OF MOTOR VEHICLE |
| EP88402970A EP0319381B1 (en) | 1987-12-01 | 1988-11-25 | Protection bellows, especially for the front wheel drive of an automotive vehicle |
| DE8888402970T DE3873496T2 (en) | 1987-12-01 | 1988-11-25 | PROTECTIVE CUFF, ESPECIALLY FOR FRONT WHEEL DRIVE OF A MOTOR VEHICLE. |
| ES198888402970T ES2035350T3 (en) | 1987-12-01 | 1988-11-25 | PROTECTION BELLOWS ESPECIALLY FOR THE FRONT TRANSMISSION OF AUTOMOBILE VEHICLES. |
| PT89104A PT89104B (en) | 1987-12-01 | 1988-11-29 | PROTECTIVE FLEET IN SPECIAL FOR FRONT TRANSMISSION OF VEHICLE VEHICLE |
| US07/278,470 US4927678A (en) | 1987-12-01 | 1988-12-01 | Protective bellows particularly for a motor vehicle front wheel drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8716631A FR2623861B1 (en) | 1987-12-01 | 1987-12-01 | PROTECTIVE BELLOWS, PARTICULARLY FOR FRONT TRANSMISSION OF MOTOR VEHICLE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2623861A1 true FR2623861A1 (en) | 1989-06-02 |
| FR2623861B1 FR2623861B1 (en) | 1993-04-23 |
Family
ID=9357337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8716631A Expired - Fee Related FR2623861B1 (en) | 1987-12-01 | 1987-12-01 | PROTECTIVE BELLOWS, PARTICULARLY FOR FRONT TRANSMISSION OF MOTOR VEHICLE |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4927678A (en) |
| EP (1) | EP0319381B1 (en) |
| DE (1) | DE3873496T2 (en) |
| ES (1) | ES2035350T3 (en) |
| FR (1) | FR2623861B1 (en) |
| PT (1) | PT89104B (en) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028463A (en) * | 1989-07-25 | 1991-07-02 | Philips Recycling, Inc. | Molded thermoplastic parking block with slideably interengaged members |
| US5098344A (en) * | 1989-12-07 | 1992-03-24 | General Motors Corporation | Convoluted boot seal with low friction and high wall strength |
| US4957469A (en) * | 1989-12-07 | 1990-09-18 | General Motors Corporation | Convoluted boot seal with anti-abrasion side wall ribs |
| US5236394A (en) * | 1990-09-10 | 1993-08-17 | Gkn Automotive, Inc. | External convoluted high speed constant velocity joint boot |
| WO1993006379A1 (en) * | 1991-09-18 | 1993-04-01 | Gkn Automotive Inc. | External convoluted high speed constant velocity joint boot |
| US5295914A (en) * | 1992-09-30 | 1994-03-22 | General Motors Corporation | Thermoplastic elastomer seal boot |
| US5525112A (en) * | 1993-12-06 | 1996-06-11 | Dana Corporation | Combined seal and boot for steering shaft assembly |
| GB2287072B (en) * | 1994-02-24 | 1996-11-27 | Draftex Ind Ltd | Protective bellows |
| GB2295426B (en) * | 1994-11-10 | 1998-07-01 | Draftex Ind Ltd | Protective bellows |
| JP2942709B2 (en) * | 1994-11-24 | 1999-08-30 | 本田技研工業株式会社 | Rotary joint boot mounting structure |
| DE19601096C2 (en) * | 1996-01-13 | 2000-07-20 | Gkn Loebro Gmbh | Bellows with inner ring ribs |
| US5931738A (en) * | 1997-10-21 | 1999-08-03 | Dana Corporation | Universal joint assembly protected by a boot |
| FR2771145B1 (en) * | 1997-11-19 | 2000-02-25 | Car X | FLEXIBLE SHEATH WITH BELLOWS FOR ARTICULATED JOINT AND TOOLS FOR PLACING THIS SHEATH |
| FR2796684B1 (en) * | 1999-07-19 | 2001-10-12 | Gkn Glaenzer Spicer | TRANSMISSION JOINT |
| US6536779B1 (en) * | 1999-12-22 | 2003-03-25 | Dana Corporation | Sleeved dust cover |
| US6581485B1 (en) * | 2000-10-09 | 2003-06-24 | Deere & Company | Control lever knob rubber boot interface |
| JP2005502843A (en) * | 2001-09-11 | 2005-01-27 | ジー・ケー・エヌ・ドライブライン・インターナショナル・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Rotating boots for constant velocity plunge fittings |
| DE10161987C2 (en) * | 2001-12-17 | 2003-11-13 | Gkn Automotive Gmbh | Tripodegelenkanordnung |
| JP4189648B2 (en) * | 2003-02-25 | 2008-12-03 | Ｎｏｋ株式会社 | Constant velocity joint boots |
| US7281984B2 (en) * | 2004-03-29 | 2007-10-16 | Gkn Driveline North America, Inc., | Boot with articulating and plunging convolutes |
| JP4425742B2 (en) * | 2004-08-18 | 2010-03-03 | Ｎｔｎ株式会社 | Constant velocity joint boots |
| US7357725B2 (en) * | 2004-12-01 | 2008-04-15 | Fukoku Co., Ltd. | Boot for constant velocity universal joint |
| US7297065B2 (en) | 2004-12-08 | 2007-11-20 | Gkn Driveline North America, Inc. | Automotive driveline components manufactured of silicone materials |
| US7605429B2 (en) * | 2005-04-15 | 2009-10-20 | International Business Machines Corporation | Hybrid crystal orientation CMOS structure for adaptive well biasing and for power and performance enhancement |
| JP5340608B2 (en) * | 2008-02-13 | 2013-11-13 | Ｎｔｎ株式会社 | Constant velocity universal boots |
| CN101968085A (en) * | 2010-09-29 | 2011-02-09 | 浙江凯迪汽车部件工业有限公司 | Improved structure of dust cover of constant-velocity universal joint |
| JP2016007659A (en) * | 2014-06-23 | 2016-01-18 | 住友理工株式会社 | Joint cover |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2761295A (en) * | 1955-10-04 | 1956-09-04 | Davis C Edward | Transmission dirt shield |
| FR1226861A (en) * | 1958-06-05 | 1960-08-16 | Birfield Eng Ltd | Mechanism comprising a sliding element in a cylinder, and device for lubricating this mechanism |
| FR1474969A (en) * | 1966-02-16 | 1967-03-31 | Dba Sa | Sealing device for transmission seal |
| FR2172580A5 (en) * | 1972-02-18 | 1973-09-28 | Glaenzer Spicer Sa | |
| DE2714983A1 (en) * | 1977-04-04 | 1978-10-05 | Leopold F Schmid | DEVICE FOR SEALING A JOINT COUPLING |
| FR2424438A1 (en) * | 1978-04-26 | 1979-11-23 | Glaenzer Spicer Sa | PERFECTED PROTECTION DEVICE, ESPECIALLY FOR THE ARTICULATION AND DRIVE SHAFT BEARING |
| DE2933695A1 (en) * | 1979-08-20 | 1981-04-09 | Leopold F. 7000 Stuttgart Schmid | Angularly movable rolling bellows for coupling seals - has inner and outer rings held apart by spacers, when preset angle is reached |
| GB2107412A (en) * | 1981-10-13 | 1983-04-27 | Uni Cardan Ag | Sealing boot for a universal joint |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4083202A (en) * | 1976-08-05 | 1978-04-11 | General Motors Corporation | Stroking universal joint housing |
| DE3208541C1 (en) * | 1982-03-10 | 1983-06-01 | Jean Walterscheid Gmbh, 5204 Lohmar | Protection device for a cardan shaft |
| FR2597179B1 (en) * | 1986-04-11 | 1988-07-29 | Peugeot | BELLOWS GASKET FOR JOINT JOINT |
-
1987
- 1987-12-01 FR FR8716631A patent/FR2623861B1/en not_active Expired - Fee Related
-
1988
- 1988-11-25 ES ES198888402970T patent/ES2035350T3/en not_active Expired - Lifetime
- 1988-11-25 DE DE8888402970T patent/DE3873496T2/en not_active Expired - Fee Related
- 1988-11-25 EP EP88402970A patent/EP0319381B1/en not_active Expired - Lifetime
- 1988-11-29 PT PT89104A patent/PT89104B/en not_active IP Right Cessation
- 1988-12-01 US US07/278,470 patent/US4927678A/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2761295A (en) * | 1955-10-04 | 1956-09-04 | Davis C Edward | Transmission dirt shield |
| FR1226861A (en) * | 1958-06-05 | 1960-08-16 | Birfield Eng Ltd | Mechanism comprising a sliding element in a cylinder, and device for lubricating this mechanism |
| FR1474969A (en) * | 1966-02-16 | 1967-03-31 | Dba Sa | Sealing device for transmission seal |
| FR2172580A5 (en) * | 1972-02-18 | 1973-09-28 | Glaenzer Spicer Sa | |
| DE2714983A1 (en) * | 1977-04-04 | 1978-10-05 | Leopold F Schmid | DEVICE FOR SEALING A JOINT COUPLING |
| FR2424438A1 (en) * | 1978-04-26 | 1979-11-23 | Glaenzer Spicer Sa | PERFECTED PROTECTION DEVICE, ESPECIALLY FOR THE ARTICULATION AND DRIVE SHAFT BEARING |
| DE2933695A1 (en) * | 1979-08-20 | 1981-04-09 | Leopold F. 7000 Stuttgart Schmid | Angularly movable rolling bellows for coupling seals - has inner and outer rings held apart by spacers, when preset angle is reached |
| GB2107412A (en) * | 1981-10-13 | 1983-04-27 | Uni Cardan Ag | Sealing boot for a universal joint |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0319381B1 (en) | 1992-08-05 |
| PT89104A (en) | 1989-09-14 |
| US4927678A (en) | 1990-05-22 |
| DE3873496D1 (en) | 1992-09-10 |
| PT89104B (en) | 1993-11-30 |
| ES2035350T3 (en) | 1993-04-16 |
| DE3873496T2 (en) | 1993-04-15 |
| EP0319381A1 (en) | 1989-06-07 |
| FR2623861B1 (en) | 1993-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |